10525215303 has 8 divisors (see below), whose sum is σ = 15592911600. Its totient is φ = 7016810184.

The previous prime is 10525215301. The next prime is 10525215313. The reversal of 10525215303 is 30351252501.

It is a happy number.

10525215303 is a `hidden beast` number, since 105 + 2 + 5 + 21 + 530 + 3 = 666.

It is not a de Polignac number, because 10525215303 - 2¹ = 10525215301 is a prime.

It is a super-2 number, since 2×10525215303² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 389822789 = 10525215303 / (1 + 0 + 5 + 2 + 5 + 2 + 1 + 5 + 3 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10525215301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194911368 + ... + 194911421.

It is an arithmetic number, because the mean of its divisors is an integer number (1949113950).

Almost surely, 2^10525215303 is an apocalyptic number.

10525215303 is a deficient number, since it is larger than the sum of its proper divisors (5067696297).

10525215303 is an equidigital number, since it uses as much as digits as its factorization.

10525215303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389822798 (or 389822792 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 10525215303 its reverse (30351252501), we get a palindrome (40876467804).

The spelling of 10525215303 in words is "ten billion, five hundred twenty-five million, two hundred fifteen thousand, three hundred three".